2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
19 static char rcsid[] = "$Id: netmisc.c,v 1.8 2003-10-03 03:19:03 btb Exp $";
29 #ifdef WORDS_BIGENDIAN
35 // routine to calculate the checksum of the segments. We add these specialized routines
36 // since the current way is byte order dependent.
38 void mac_do_checksum_calc(ubyte *b, int len, unsigned int *s1, unsigned int *s2)
43 if (*s1 >= 255 ) *s1 -= 255;
48 ushort mac_calc_segment_checksum()
51 unsigned int sum1,sum2;
56 for (i = 0; i < Highest_segment_index + 1; i++) {
57 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
58 mac_do_checksum_calc(&(Segments[i].sides[j].type), 1, &sum1, &sum2);
59 mac_do_checksum_calc(&(Segments[i].sides[j].pad), 1, &sum1, &sum2);
60 s = INTEL_SHORT(Segments[i].sides[j].wall_num);
61 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
62 s = INTEL_SHORT(Segments[i].sides[j].tmap_num);
63 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
64 s = INTEL_SHORT(Segments[i].sides[j].tmap_num2);
65 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
66 for (k = 0; k < 4; k++) {
67 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].u));
68 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
69 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].v));
70 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
71 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].l));
72 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
74 for (k = 0; k < 2; k++) {
75 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].x));
76 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
77 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].y));
78 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
79 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].z));
80 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
83 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
84 s = INTEL_SHORT(Segments[i].children[j]);
85 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
87 for (j = 0; j < MAX_VERTICES_PER_SEGMENT; j++) {
88 s = INTEL_SHORT(Segments[i].verts[j]);
89 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
91 t = INTEL_INT(Segments[i].objects);
92 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
95 return ((sum1<<8)+ sum2);
98 // this routine totally and completely relies on the fact that the network
99 // checksum must be calculated on the segments!!!!!
101 ushort netmisc_calc_checksum( void * vptr, int len )
105 return mac_calc_segment_checksum();
108 // following are routine for macintosh only that will swap the elements of
109 // structures send through the networking code. The structures and
110 // this code must be kept in total sync
121 byte out_buffer[IPX_MAX_DATA_SIZE]; // used for tmp netgame packets as well as sending object data
123 void receive_netplayer_info(ubyte *data, netplayer_info *info)
127 memcpy(info->callsign, &(data[loc]), CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
128 memcpy(&(info->network.ipx.server), &(data[loc]), 4); loc += 4;
129 memcpy(&(info->network.ipx.node), &(data[loc]), 6); loc += 6;
130 info->version_major = data[loc]; loc++;
131 info->version_minor = data[loc]; loc++;
132 memcpy(&(info->computer_type), &(data[loc]), 1); loc++; // memcpy to avoid compile time warning about enum
133 info->connected = data[loc]; loc++;
134 memcpy(&(info->socket), &(data[loc]), 2); loc += 2;
135 memcpy (&(info->rank),&(data[loc]),1); loc++;
136 //MWA don't think we need to swap this because we need it in high order info->socket = INTEL_SHORT(info->socket);
139 void send_netplayers_packet(ubyte *server, ubyte *node)
145 memset(out_buffer, 0, sizeof(out_buffer));
146 out_buffer[0] = NetPlayers.type; loc++;
147 tmpi = INTEL_INT(NetPlayers.Security);
148 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
149 for (i = 0; i < MAX_PLAYERS+4; i++) {
150 memcpy(&(out_buffer[loc]), NetPlayers.players[i].callsign, CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
151 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.server, 4); loc += 4;
152 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.node, 6); loc += 6;
153 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_major), 1); loc++;
154 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_minor), 1); loc++;
155 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].computer_type), 1); loc++;
156 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].connected), 1); loc++;
157 tmps = INTEL_SHORT(NetPlayers.players[i].socket);
158 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
159 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].rank), 1); loc++;
162 if ((server == NULL) && (node == NULL))
163 ipx_send_broadcast_packet_data( out_buffer, loc );
165 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
169 void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo)
173 pinfo->type = data[loc]; loc++;
174 memcpy(&(pinfo->Security), &(data[loc]), 4); loc += 4;
175 pinfo->Security = INTEL_INT(pinfo->Security);
176 for (i = 0; i < MAX_PLAYERS+4; i++) {
177 receive_netplayer_info(&(data[loc]), &(pinfo->players[i]));
178 loc += 26; // sizeof(netplayer_info) on the PC
182 void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address)
188 memset(out_buffer, 0, sizeof(out_buffer));
189 out_buffer[0] = seq.type; loc++;
190 tmpi = INTEL_INT(seq.Security);
191 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; loc += 3;
192 memcpy(&(out_buffer[loc]), seq.player.callsign, CALLSIGN_LEN+1);loc += CALLSIGN_LEN+1;
193 memcpy(&(out_buffer[loc]), seq.player.network.ipx.server, 4); loc += 4;
194 memcpy(&(out_buffer[loc]), seq.player.network.ipx.node, 6); loc += 6;
195 out_buffer[loc] = seq.player.version_major; loc++;
196 out_buffer[loc] = seq.player.version_minor; loc++;
197 out_buffer[loc] = seq.player.computer_type; loc++;
198 out_buffer[loc] = seq.player.connected; loc++;
199 tmps = INTEL_SHORT(seq.player.socket);
200 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
201 out_buffer[loc]=seq.player.rank; loc++; // for pad byte
202 if (net_address != NULL)
203 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
204 else if ((server == NULL) && (node == NULL))
205 ipx_send_broadcast_packet_data( out_buffer, loc );
207 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
210 void receive_sequence_packet(ubyte *data, sequence_packet *seq)
214 seq->type = data[0]; loc++;
215 memcpy(&(seq->Security), &(data[loc]), 4); loc += 4; loc += 3; // +3 for pad byte
216 seq->Security = INTEL_INT(seq->Security);
217 receive_netplayer_info(&(data[loc]), &(seq->player));
220 void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag) // lite says shorter netgame packets
227 memset(out_buffer, 0, IPX_MAX_DATA_SIZE);
228 memcpy(&(out_buffer[loc]), &(Netgame.type), 1); loc++;
229 tmpi = INTEL_INT(Netgame.Security);
230 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
231 memcpy(&(out_buffer[loc]), Netgame.game_name, NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
232 memcpy(&(out_buffer[loc]), Netgame.mission_title, MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
233 memcpy(&(out_buffer[loc]), Netgame.mission_name, 9); loc += 9;
234 tmpi = INTEL_INT(Netgame.levelnum);
235 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
236 memcpy(&(out_buffer[loc]), &(Netgame.gamemode), 1); loc++;
237 memcpy(&(out_buffer[loc]), &(Netgame.RefusePlayers), 1); loc++;
238 memcpy(&(out_buffer[loc]), &(Netgame.difficulty), 1); loc++;
239 memcpy(&(out_buffer[loc]), &(Netgame.game_status), 1); loc++;
240 memcpy(&(out_buffer[loc]), &(Netgame.numplayers), 1); loc++;
241 memcpy(&(out_buffer[loc]), &(Netgame.max_numplayers), 1); loc++;
242 memcpy(&(out_buffer[loc]), &(Netgame.numconnected), 1); loc++;
243 memcpy(&(out_buffer[loc]), &(Netgame.game_flags), 1); loc++;
244 memcpy(&(out_buffer[loc]), &(Netgame.protocol_version), 1); loc++;
245 memcpy(&(out_buffer[loc]), &(Netgame.version_major), 1); loc++;
246 memcpy(&(out_buffer[loc]), &(Netgame.version_minor), 1); loc++;
247 memcpy(&(out_buffer[loc]), &(Netgame.team_vector), 1); loc++;
252 // will this work -- damn bitfields -- totally bogus when trying to do this type of stuff
253 // Watcom makes bitfields from left to right. CW7 on the mac goes from right to left.
254 // then they are endian swapped
256 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
257 tmps = INTEL_SHORT(tmps);
258 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
260 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
261 tmps = INTEL_SHORT(tmps);
262 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
264 #if 0 // removed since I reordered bitfields on mac
265 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
267 for (i = 15; i >= 0; i--) {
269 tmps |= (1 << (15 - i));
271 tmps = INTEL_SHORT(tmps);
272 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
273 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
275 for (i = 15; i >= 0; i--) {
277 tmps |= (1 << (15 - i));
279 tmps = INTEL_SHORT(tmps);
280 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
283 memcpy(&(out_buffer[loc]), Netgame.team_name, 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
284 for (i = 0; i < MAX_PLAYERS; i++) {
285 tmpi = INTEL_INT(Netgame.locations[i]);
286 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP HERE!!!
289 for (i = 0; i < MAX_PLAYERS; i++) {
290 for (j = 0; j < MAX_PLAYERS; j++) {
291 tmps = INTEL_SHORT(Netgame.kills[i][j]);
292 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
296 tmps = INTEL_SHORT(Netgame.segments_checksum);
297 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
298 tmps = INTEL_SHORT(Netgame.team_kills[0]);
299 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
300 tmps = INTEL_SHORT(Netgame.team_kills[1]);
301 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
302 for (i = 0; i < MAX_PLAYERS; i++) {
303 tmps = INTEL_SHORT(Netgame.killed[i]);
304 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
306 for (i = 0; i < MAX_PLAYERS; i++) {
307 tmps = INTEL_SHORT(Netgame.player_kills[i]);
308 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
311 tmpi = INTEL_INT(Netgame.KillGoal);
312 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
313 tmpi = INTEL_INT(Netgame.PlayTimeAllowed);
314 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
315 tmpi = INTEL_INT(Netgame.level_time);
316 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
317 tmpi = INTEL_INT(Netgame.control_invul_time);
318 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
319 tmpi = INTEL_INT(Netgame.monitor_vector);
320 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
321 for (i = 0; i < MAX_PLAYERS; i++) {
322 tmpi = INTEL_INT(Netgame.player_score[i]);
323 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
325 for (i = 0; i < MAX_PLAYERS; i++) {
326 memcpy(&(out_buffer[loc]), &(Netgame.player_flags[i]), 1); loc++;
328 tmps = INTEL_SHORT(Netgame.PacketsPerSec);
329 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
330 memcpy(&(out_buffer[loc]), &(Netgame.ShortPackets), 1); loc ++;
333 if (net_address != NULL)
334 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
335 else if ((server == NULL) && (node == NULL))
336 ipx_send_broadcast_packet_data( out_buffer, loc );
338 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
341 void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag)
345 short bitfield; // new_field;
347 memcpy(&(netgame->type), &(data[loc]), 1); loc++;
348 memcpy(&(netgame->Security), &(data[loc]), 4); loc += 4;
349 netgame->Security = INTEL_INT(netgame->Security);
350 memcpy(netgame->game_name, &(data[loc]), NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
351 memcpy(netgame->mission_title, &(data[loc]), MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
352 memcpy(netgame->mission_name, &(data[loc]), 9); loc += 9;
353 memcpy(&(netgame->levelnum), &(data[loc]), 4); loc += 4;
354 netgame->levelnum = INTEL_INT(netgame->levelnum);
355 memcpy(&(netgame->gamemode), &(data[loc]), 1); loc++;
356 memcpy(&(netgame->RefusePlayers), &(data[loc]), 1); loc++;
357 memcpy(&(netgame->difficulty), &(data[loc]), 1); loc++;
358 memcpy(&(netgame->game_status), &(data[loc]), 1); loc++;
359 memcpy(&(netgame->numplayers), &(data[loc]), 1); loc++;
360 memcpy(&(netgame->max_numplayers), &(data[loc]), 1); loc++;
361 memcpy(&(netgame->numconnected), &(data[loc]), 1); loc++;
362 memcpy(&(netgame->game_flags), &(data[loc]), 1); loc++;
363 memcpy(&(netgame->protocol_version), &(data[loc]), 1); loc++;
364 memcpy(&(netgame->version_major), &(data[loc]), 1); loc++;
365 memcpy(&(netgame->version_minor), &(data[loc]), 1); loc++;
366 memcpy(&(netgame->team_vector), &(data[loc]), 1); loc++;
371 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
372 bitfield = INTEL_SHORT(bitfield);
373 memcpy(((ubyte *)(&netgame->team_vector) + 1), &bitfield, 2);
375 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
376 bitfield = INTEL_SHORT(bitfield);
377 memcpy(((ubyte *)(&netgame->team_vector) + 3), &bitfield, 2);
379 #if 0 // not used since reordering mac bitfields
380 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
382 for (i = 15; i >= 0; i--) {
383 if ( bitfield & (1 << i) )
384 new_field |= (1 << (15 - i));
386 new_field = INTEL_SHORT(new_field);
387 memcpy(((ubyte *)(&netgame->team_vector) + 1), &new_field, 2);
389 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
391 for (i = 15; i >= 0; i--) {
392 if ( bitfield & (1 << i) )
393 new_field |= (1 << (15 - i));
395 new_field = INTEL_SHORT(new_field);
396 memcpy(((ubyte *)(&netgame->team_vector) + 3), &new_field, 2);
399 memcpy(netgame->team_name, &(data[loc]), 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
400 for (i = 0; i < MAX_PLAYERS; i++) {
401 memcpy(&(netgame->locations[i]), &(data[loc]), 4); loc += 4;
402 netgame->locations[i] = INTEL_INT(netgame->locations[i]);
405 for (i = 0; i < MAX_PLAYERS; i++) {
406 for (j = 0; j < MAX_PLAYERS; j++) {
407 memcpy(&(netgame->kills[i][j]), &(data[loc]), 2); loc += 2;
408 netgame->kills[i][j] = INTEL_SHORT(netgame->kills[i][j]);
412 memcpy(&(netgame->segments_checksum), &(data[loc]), 2); loc += 2;
413 netgame->segments_checksum = INTEL_SHORT(netgame->segments_checksum);
414 memcpy(&(netgame->team_kills[0]), &(data[loc]), 2); loc += 2;
415 netgame->team_kills[0] = INTEL_SHORT(netgame->team_kills[0]);
416 memcpy(&(netgame->team_kills[1]), &(data[loc]), 2); loc += 2;
417 netgame->team_kills[1] = INTEL_SHORT(netgame->team_kills[1]);
418 for (i = 0; i < MAX_PLAYERS; i++) {
419 memcpy(&(netgame->killed[i]), &(data[loc]), 2); loc += 2;
420 netgame->killed[i] = INTEL_SHORT(netgame->killed[i]);
422 for (i = 0; i < MAX_PLAYERS; i++) {
423 memcpy(&(netgame->player_kills[i]), &(data[loc]), 2); loc += 2;
424 netgame->player_kills[i] = INTEL_SHORT(netgame->player_kills[i]);
426 memcpy(&(netgame->KillGoal), &(data[loc]), 4); loc += 4;
427 netgame->KillGoal = INTEL_INT(netgame->KillGoal);
428 memcpy(&(netgame->PlayTimeAllowed), &(data[loc]), 4); loc += 4;
429 netgame->PlayTimeAllowed = INTEL_INT(netgame->PlayTimeAllowed);
431 memcpy(&(netgame->level_time), &(data[loc]), 4); loc += 4;
432 netgame->level_time = INTEL_INT(netgame->level_time);
433 memcpy(&(netgame->control_invul_time), &(data[loc]), 4); loc += 4;
434 netgame->control_invul_time = INTEL_INT(netgame->control_invul_time);
435 memcpy(&(netgame->monitor_vector), &(data[loc]), 4); loc += 4;
436 netgame->monitor_vector = INTEL_INT(netgame->monitor_vector);
437 for (i = 0; i < MAX_PLAYERS; i++) {
438 memcpy(&(netgame->player_score[i]), &(data[loc]), 4); loc += 4;
439 netgame->player_score[i] = INTEL_INT(netgame->player_score[i]);
441 for (i = 0; i < MAX_PLAYERS; i++) {
442 memcpy(&(netgame->player_flags[i]), &(data[loc]), 1); loc++;
444 memcpy(&(netgame->PacketsPerSec), &(data[loc]), 2); loc += 2;
445 netgame->PacketsPerSec = INTEL_SHORT(netgame->PacketsPerSec);
446 memcpy(&(netgame->ShortPackets), &(data[loc]), 1); loc ++;
450 void swap_object(object *obj)
452 // swap the short and int entries for this object
453 obj->signature = INTEL_INT(obj->signature);
454 obj->next = INTEL_SHORT(obj->next);
455 obj->prev = INTEL_SHORT(obj->prev);
456 obj->segnum = INTEL_SHORT(obj->segnum);
457 obj->pos.x = INTEL_INT(obj->pos.x);
458 obj->pos.y = INTEL_INT(obj->pos.y);
459 obj->pos.z = INTEL_INT(obj->pos.z);
461 obj->orient.rvec.x = INTEL_INT(obj->orient.rvec.x);
462 obj->orient.rvec.y = INTEL_INT(obj->orient.rvec.y);
463 obj->orient.rvec.z = INTEL_INT(obj->orient.rvec.z);
464 obj->orient.fvec.x = INTEL_INT(obj->orient.fvec.x);
465 obj->orient.fvec.y = INTEL_INT(obj->orient.fvec.y);
466 obj->orient.fvec.z = INTEL_INT(obj->orient.fvec.z);
467 obj->orient.uvec.x = INTEL_INT(obj->orient.uvec.x);
468 obj->orient.uvec.y = INTEL_INT(obj->orient.uvec.y);
469 obj->orient.uvec.z = INTEL_INT(obj->orient.uvec.z);
471 obj->size = INTEL_INT(obj->size);
472 obj->shields = INTEL_INT(obj->shields);
474 obj->last_pos.x = INTEL_INT(obj->last_pos.x);
475 obj->last_pos.y = INTEL_INT(obj->last_pos.y);
476 obj->last_pos.z = INTEL_INT(obj->last_pos.z);
478 obj->lifeleft = INTEL_INT(obj->lifeleft);
480 switch (obj->movement_type) {
484 obj->mtype.phys_info.velocity.x = INTEL_INT(obj->mtype.phys_info.velocity.x);
485 obj->mtype.phys_info.velocity.y = INTEL_INT(obj->mtype.phys_info.velocity.y);
486 obj->mtype.phys_info.velocity.z = INTEL_INT(obj->mtype.phys_info.velocity.z);
488 obj->mtype.phys_info.thrust.x = INTEL_INT(obj->mtype.phys_info.thrust.x);
489 obj->mtype.phys_info.thrust.y = INTEL_INT(obj->mtype.phys_info.thrust.y);
490 obj->mtype.phys_info.thrust.z = INTEL_INT(obj->mtype.phys_info.thrust.z);
492 obj->mtype.phys_info.mass = INTEL_INT(obj->mtype.phys_info.mass);
493 obj->mtype.phys_info.drag = INTEL_INT(obj->mtype.phys_info.drag);
494 obj->mtype.phys_info.brakes = INTEL_INT(obj->mtype.phys_info.brakes);
496 obj->mtype.phys_info.rotvel.x = INTEL_INT(obj->mtype.phys_info.rotvel.x);
497 obj->mtype.phys_info.rotvel.y = INTEL_INT(obj->mtype.phys_info.rotvel.y);
498 obj->mtype.phys_info.rotvel.z = INTEL_INT(obj->mtype.phys_info.rotvel.z);
500 obj->mtype.phys_info.rotthrust.x = INTEL_INT(obj->mtype.phys_info.rotthrust.x);
501 obj->mtype.phys_info.rotthrust.y = INTEL_INT(obj->mtype.phys_info.rotthrust.y);
502 obj->mtype.phys_info.rotthrust.z = INTEL_INT(obj->mtype.phys_info.rotthrust.z);
504 obj->mtype.phys_info.turnroll = INTEL_INT(obj->mtype.phys_info.turnroll);
505 obj->mtype.phys_info.flags = INTEL_SHORT(obj->mtype.phys_info.flags);
511 obj->mtype.spin_rate.x = INTEL_INT(obj->mtype.spin_rate.x);
512 obj->mtype.spin_rate.y = INTEL_INT(obj->mtype.spin_rate.y);
513 obj->mtype.spin_rate.z = INTEL_INT(obj->mtype.spin_rate.z);
517 switch (obj->control_type) {
520 obj->ctype.laser_info.parent_type = INTEL_SHORT(obj->ctype.laser_info.parent_type);
521 obj->ctype.laser_info.parent_num = INTEL_SHORT(obj->ctype.laser_info.parent_num);
522 obj->ctype.laser_info.parent_signature = INTEL_INT(obj->ctype.laser_info.parent_signature);
523 obj->ctype.laser_info.creation_time = INTEL_INT(obj->ctype.laser_info.creation_time);
524 obj->ctype.laser_info.last_hitobj = INTEL_SHORT(obj->ctype.laser_info.last_hitobj);
525 obj->ctype.laser_info.track_goal = INTEL_SHORT(obj->ctype.laser_info.track_goal);
526 obj->ctype.laser_info.multiplier = INTEL_INT(obj->ctype.laser_info.multiplier);
530 obj->ctype.expl_info.spawn_time = INTEL_INT(obj->ctype.expl_info.spawn_time);
531 obj->ctype.expl_info.delete_time = INTEL_INT(obj->ctype.expl_info.delete_time);
532 obj->ctype.expl_info.delete_objnum = INTEL_SHORT(obj->ctype.expl_info.delete_objnum);
533 obj->ctype.expl_info.attach_parent = INTEL_SHORT(obj->ctype.expl_info.attach_parent);
534 obj->ctype.expl_info.prev_attach = INTEL_SHORT(obj->ctype.expl_info.prev_attach);
535 obj->ctype.expl_info.next_attach = INTEL_SHORT(obj->ctype.expl_info.next_attach);
539 obj->ctype.ai_info.hide_segment = INTEL_SHORT(obj->ctype.ai_info.hide_segment);
540 obj->ctype.ai_info.hide_index = INTEL_SHORT(obj->ctype.ai_info.hide_index);
541 obj->ctype.ai_info.path_length = INTEL_SHORT(obj->ctype.ai_info.path_length);
542 obj->ctype.ai_info.danger_laser_num = INTEL_SHORT(obj->ctype.ai_info.danger_laser_num);
543 obj->ctype.ai_info.danger_laser_signature = INTEL_INT(obj->ctype.ai_info.danger_laser_signature);
544 obj->ctype.ai_info.dying_start_time = INTEL_INT(obj->ctype.ai_info.dying_start_time);
548 obj->ctype.light_info.intensity = INTEL_INT(obj->ctype.light_info.intensity);
552 obj->ctype.powerup_info.count = INTEL_INT(obj->ctype.powerup_info.count);
553 obj->ctype.powerup_info.creation_time = INTEL_INT(obj->ctype.powerup_info.creation_time);
554 //Below commented out 5/2/96 by Matt. I asked Allender why it was
555 //here, and he didn't know, and it looks like it doesn't belong.
556 //if (obj->id == POW_VULCAN_WEAPON)
557 // obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
562 switch (obj->render_type) {
568 obj->rtype.pobj_info.model_num = INTEL_INT(obj->rtype.pobj_info.model_num);
570 for (i=0;i<MAX_SUBMODELS;i++) {
571 obj->rtype.pobj_info.anim_angles[i].p = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].p);
572 obj->rtype.pobj_info.anim_angles[i].b = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].b);
573 obj->rtype.pobj_info.anim_angles[i].h = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].h);
576 obj->rtype.pobj_info.subobj_flags = INTEL_INT(obj->rtype.pobj_info.subobj_flags);
577 obj->rtype.pobj_info.tmap_override = INTEL_INT(obj->rtype.pobj_info.tmap_override);
578 obj->rtype.pobj_info.alt_textures = INTEL_INT(obj->rtype.pobj_info.alt_textures);
582 case RT_WEAPON_VCLIP:
586 obj->rtype.vclip_info.vclip_num = INTEL_INT(obj->rtype.vclip_info.vclip_num);
587 obj->rtype.vclip_info.frametime = INTEL_INT(obj->rtype.vclip_info.frametime);
594 // END OF SWAPPING OBJECT STRUCTURE
598 #else /* !WORDS_BIGENDIAN */
601 // Calculates the checksum of a block of memory.
602 ushort netmisc_calc_checksum( void * vptr, int len )
604 ubyte * ptr = (ubyte *)vptr;
605 unsigned int sum1,sum2;
611 if (sum1 >= 255 ) sum1 -= 255;
616 return ((sum1<<8)+ sum2);
619 #endif /* WORDS_BIGENDIAN */
621 //--unused-- //Finds the difference between block1 and block2. Fills in diff_buffer and
622 //--unused-- //returns the size of diff_buffer.
623 //--unused-- int netmisc_find_diff( void *block1, void *block2, int block_size, void *diff_buffer )
625 //--unused-- int mode;
626 //--unused-- ushort *c1, *c2, *diff_start, *c3;
627 //--unused-- int i, j, size, diff, n , same;
629 //--unused-- size=(block_size+1)/sizeof(ushort);
630 //--unused-- c1 = (ushort *)block1;
631 //--unused-- c2 = (ushort *)block2;
632 //--unused-- c3 = (ushort *)diff_buffer;
634 //--unused-- mode = same = diff = n = 0;
636 //--unused-- //mprintf( 0, "=================================\n" );
638 //--unused-- for (i=0; i<size; i++, c1++, c2++ ) {
639 //--unused-- if (*c1 != *c2 ) {
640 //--unused-- if (mode==0) {
641 //--unused-- mode = 1;
642 //--unused-- //mprintf( 0, "%ds ", same );
643 //--unused-- c3[n++] = same;
644 //--unused-- same=0; diff=0;
645 //--unused-- diff_start = c2;
647 //--unused-- *c1 = *c2;
649 //--unused-- if (diff==65535) {
650 //--unused-- mode = 0;
651 //--unused-- // send how many diff ones.
652 //--unused-- //mprintf( 0, "%dd ", diff );
653 //--unused-- c3[n++]=diff;
654 //--unused-- // send all the diff ones.
655 //--unused-- for (j=0; j<diff; j++ )
656 //--unused-- c3[n++] = diff_start[j];
657 //--unused-- same=0; diff=0;
658 //--unused-- diff_start = c2;
660 //--unused-- } else {
661 //--unused-- if (mode==1) {
663 //--unused-- // send how many diff ones.
664 //--unused-- //mprintf( 0, "%dd ", diff );
665 //--unused-- c3[n++]=diff;
666 //--unused-- // send all the diff ones.
667 //--unused-- for (j=0; j<diff; j++ )
668 //--unused-- c3[n++] = diff_start[j];
669 //--unused-- same=0; diff=0;
670 //--unused-- diff_start = c2;
673 //--unused-- if (same==65535) {
675 //--unused-- // send how many the same
676 //--unused-- //mprintf( 0, "%ds ", same );
677 //--unused-- c3[n++] = same;
678 //--unused-- same=0; diff=0;
679 //--unused-- diff_start = c2;
684 //--unused-- if (mode==0) {
685 //--unused-- // send how many the same
686 //--unused-- //mprintf( 0, "%ds ", same );
687 //--unused-- c3[n++] = same;
688 //--unused-- } else {
689 //--unused-- // send how many diff ones.
690 //--unused-- //mprintf( 0, "%dd ", diff );
691 //--unused-- c3[n++]=diff;
692 //--unused-- // send all the diff ones.
693 //--unused-- for (j=0; j<diff; j++ )
694 //--unused-- c3[n++] = diff_start[j];
697 //--unused-- //mprintf( 0, "=================================\n" );
699 //--unused-- return n*2;
702 //--unused-- //Applies diff_buffer to block1 to create a new block1. Returns the final
703 //--unused-- //size of block1.
704 //--unused-- int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size )
706 //--unused-- unsigned int i, j, n, size;
707 //--unused-- ushort *c1, *c2;
709 //--unused-- //mprintf( 0, "=================================\n" );
710 //--unused-- c1 = (ushort *)diff_buffer;
711 //--unused-- c2 = (ushort *)block1;
713 //--unused-- size = diff_size/2;
716 //--unused-- while (1) {
717 //--unused-- j += c1[i]; // Same
718 //--unused-- //mprintf( 0, "%ds ", c1[i] );
720 //--unused-- if ( i>=size) break;
721 //--unused-- n = c1[i]; // ndiff
722 //--unused-- //mprintf( 0, "%dd ", c1[i] );
724 //--unused-- if (n>0) {
725 //--unused-- //Assert( n* < 256 );
726 //--unused-- memcpy( &c2[j], &c1[i], n*2 );
730 //--unused-- if ( i>=size) break;
732 //--unused-- //mprintf( 0, "=================================\n" );
734 //--unused-- return j*2;